Finding the Fourth Proportional to 359,592.79, 539,248.94 and 134,830.75
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Solution
The fourth proportional to 359,592.79, 539,248.94 and 134,830.75 is: 202,193.54
Step by Step Solution
- Step 1: Write the proportion equation
359,592.79 : 539,248.94 = 134,830.75 : x - Step 2: Convert to fraction form
359,592.79/539,248.94 = 134,830.75/x - Step 3: Cross multiply
359,592.79x = 539,248.94 × 134,830.75 - Step 4: Simplify right side
359,592.79x = 72,707,339,016.91 - Step 5: Solve for x
x = 72,707,339,016.91/359,592.79 - Step 6: Final answer
x = 202,193.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.